It is said that all dreams serve a

It is said that all dreams serve a purpose (目的). While there is no agreement among scientists about
why we dream, there are many ideas about the different kinds of dreams we have.
One common kind of dream is the repeating dream, in which the same story is repeated again and again,
often for many months or even years. Some believe these are a sign people have a problem in their life and
once that problem is gone then the dream will stop. Others think they are a way to help people remember
something very important.
Another well-known kind of dream is the nightmare. The pictures and stories in such dreams make
people very afraid and dreamers usually remember them far more clearly than normal dreams. The cause
of such dreams may be seeing something terrifying such as a car accident or some deadly snakes. Others
think such dreams may be trying to make a person pay attention to something that is dangerous in their life.
Daydreams happen during wake-time when we forget where we are or what we are doing and find
ourselves in a made-up story or unreal world." We often daydream when we are doing something that is
not interesting or exciting. They help us think about our future.
Lucid dreams are the most fun. These happen when dreamers suddenly understand that they are dreaming.
Instead of waking up, they stay in the dream and are able to control what happens in the dream as if they are
making a movie

結果 (中文) 3:

这是说，所有的梦想都服务于一个目的（目的）。虽然科学家之间没有达成协议为什么我们的梦想，有很多想法，我们有不同的梦想。一种常见的梦是重复的梦，在同一个故事是重复的，很多个月甚至几年。有些人认为这是一个迹象，人们有一个问题，在他们的生活和一旦这个问题消失了，梦想就会停止。其他人认为他们是帮助人们记住的一种方式重要的事情。另一个众所周知的梦是噩梦。这些梦中的图画和故事人们非常害怕，做梦的人通常会记得他们远比正常的梦想更加清晰。的原因这样的梦可能会看到一些可怕的东西，如一个汽车事故或一些致命的蛇。别人认为这样的梦想可能会试图使一个人注意一些危险的东西，在他们的生活。白日梦发生在当我们忘记的起床时间在我们或我们所做的发现虚构的故事或虚幻的世界，“我们经常在做某事时做白日梦不有趣或令人兴奋。他们帮助我们思考我们的未来。清醒梦是最有趣的。这些发生在做梦的人突然明白，他们是在做梦。他们没有醒着，留在梦里，并能控制梦中发生的事情，好像他们是制作一部电影